the Dev-Team released RedSnow 0.8 that jailbreak all devices(incl. 3GS) on OS3.0 and RedSnow 0.8 to include support for 3GS devices .



This version of Redsn0w (v0.8) now support the iPhone 2g, 3g, 3gs, and iPod Touch 2nd Gen on 3.0.

Features:
1) Stable jailbreak tested by dev-team
2) Icy + Cydia problem solved (we think).
3) Ultrasn0w tested and working on 3gs
4) Proper kernel patches which will enable logome (after it’s updated for 3.0).
5) Mobile Substrate + Winterboard now working on 3gs.

Click to download:

http://blog.alltechrelated.com/files...0w-mac_0.8.zip MAC
http://blog.alltechrelated.com/files...0w-win_0.8.zip WIN
http://blog.alltechrelated.com/files...ux_0.8.tar.bz2 LINUX

more info
http://forum.gsmhosting.com/vbb/showthread.php?t=783209